#ifndef __DIM_SUM_ERR_H
#define __DIM_SUM_ERR_H

#include <linux/compiler.h>
#include <dim-sum/types.h>
#include <asm/errno.h>
#define MAX_ERRNO	4095

#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)

static inline void * __must_check ERR_PTR(long error)
{
	return (void *) error;
}

static inline long __must_check PTR_ERR(__force const void *ptr)
{
	return (long) ptr;
}

static inline bool __must_check IS_ERR(__force const void *ptr)
{
	return IS_ERR_VALUE((unsigned long)ptr);
}

#endif /* __DIM_SUM_ERR_H */
